In the Jack and Jillian book series, Jack and Jillian write about learning new things. When Jillian goes to School, she writes about her first day back to school and her experiences during the day. The book is intended to make students feel comfortable and excited about, learning different educational subjects, recess and lunchtime, interacting and getting along with other students. The book also addresses bullying and the importance of facing the challenges students have in today's classrooms. The Jack and Jillian Book Series are aimed at encouraging, challenging young minds, and motivating them to remain active, both physically and mentally. Recommended for children 4 to 8.